Professional Social Networks
1. Linked In
LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to ... http://www.linkedin.com/
2. Speaklike
The first messaging service that translates your everyday business or professional communications across different languages, on-the-fly. http://speaklike.com
Organizers and Task Management
1. Backpack
Make pages, create group calendars, handle group discussions, and send email reminders http://www.backpackit.com
1. Flickr
Yahoo's Photostoring and photostreaming
http://www.flickr.com
2. Picasa
Google photostoring and sharing site
https://www.google.com/accounts/ServiceLogin?hl=en_US&continue=http%3A%2F%2Fpicasaweb.google.com%2Flh%2Flogin%3Fcontinue%3Dhttp%253A%252F%252Fpicasaweb.google.com%252F&service=lh2<mpl=gp&passive=true
3. Bubbleshare
Create a slideshow for your website
http://www.bubbleshare.com
4. Slideshare
Save powerpoints on this site
http://www.slideshare.net/
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Blogs
1. Technorati
Top 100 Blogs
http://technorati.com/pop/blogs/
2. Edublogs
Blogs for teachers and students
http://edublogs.org/
3. Blogmeister
Classroom blogging site
http://classblogmeister.com/
Bookmarking
1. Diigo
Bookmark, highlight the web and add sticky notes
http://www.diigo.com/
3. Del.icio.us
A social bookmark manager
http://delicious.com/
Professional Social Networks
1. Linked In
LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to ...
http://www.linkedin.com/
2. Speaklike
The first messaging service that translates your everyday business or professional communications across different languages, on-the-fly.
http://speaklike.com
3. Ning
Create your own network for anything
http://www.ning.com/
4. Twitter
http://twitter.com/home
Organizers and Task Management
1. Backpack
Make pages, create group calendars, handle group discussions, and send email reminders
http://www.backpackit.com
2. Remember the Milk
Manage and locate your tasks, collaborate, make a list, set reminders
http://www.rememberthemilk.com/
3. Flowchart.com
Flowchart.com is an online multi-user, real-time collaboration flowchart software. It's Flowcharting made easy.
http://flowchart.com/
4. Doodle
Take the hassle out of scheduling an event
http://www.doodle.ch/main.html